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Why is the String class declared final in Java?
...of the things that forced Strings to be immutable was security. You have a file open method. You pass a String to it. And then it's doing all kind of authentication checks before it gets around to doing the OS call. If you manage to do something that effectively mutated the String, after the securit...
How to close activity and go back to previous activity in android
... to your main activity as a child activity. Check your AndroidManifest.xml file and see if the <activity> entry for your child activity includes a android:parentActivityName attribute. It should look something like this:
<?xml ...?>
...
<activity
android:name=".MainActivity"
...
How can I kill a process by name instead of PID?
...tion -r) and contains a
slash (/), processes executing that
particular file will be selected for
killing, independent of their name.
But if you don't see the process with ps aux, you probably won't have the right to kill it ...
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How to skip “Loose Object” popup when running 'git gui'
...-gui/lib/database.tcl and remove the body of the hint_gc procedure. (These file paths are on Cygwin - on other environments the files might be in a different locations. For Windows it is c:\Program Files\Git\mingw64\libexec\git-core\git-gui.tcl)
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Clone contents of a GitHub repository (without the folder itself)
... @JohnLittle Had the same problem, turns out there is a hidden .DS_Store file, that hides there. Simply rm .DS_Store and you're good to go.
– Selrond
Mar 22 '17 at 5:29
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UITextField auto-capitalization type - iPhone App
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You can even do that form the Storyboard or .xib file. Just have to select the textfield and in the attribute inspector on the right there is a Capitalization section where you can pick whatever suits you. In your case it's capitalisation "Words".
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What's the difference between Task.Start/Wait and Async/Await?
...ad (like a WCF call) or relinquishes control to the operating system (like File IO), await will use less system resources by not blocking a thread.
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
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This stuff isn't working for me. I am sorting a file with a third column with contents like R1 R2 R10 R15. Using either -k3.2n or -k3.2g, it is sorting R10 before R2. The sort is lexicographic, not numeric. I expect it to treat the field from the second character onward a...
How do you set up use HttpOnly cookies in PHP
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You can use this in a header file.
// setup session enviroment
ini_set('session.cookie_httponly',1);
ini_set('session.use_only_cookies',1);
This way all future session cookies will use httponly.
Updated.
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How many GCC optimization levels are there?
...from the other Os, Ofast and Og.
When we build, this generates a options.h file that contains:
OPT_O = 139, /* -O */
OPT_Ofast = 140, /* -Ofast */
OPT_Og = 141, /* -Og */
OPT_Os = 142, /...